Question: At what point of time did Yandex have its operating income as 12840000000?
Paraphrase: When did Yandex have it's operating income as $12,840,000,000?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q5281 p:P3362 ?s . ?s ps:P3362 ?x filter(contains(?x , '12840000000')) . ?s pq:P585 ?value}